Valve



FIG. 1 is a perspective view of the valve;

FIG. 2 is a front side elevational view of the valve;

FIG. 3 is a rear side elevational view of the valve;

FIG. 4 is a left side elevational view of the valve;

FIG. 5 is a right side elevational view of the valve;

FIG. 6 is a top plan view of the valve; and,

FIG. 7 is a bottom plan view of the valve.

The dashed broken lines in the drawings depict portions of the valve that form no part of the claim. 

CLAIM The ornamental design for a valve, as shown and described in the accompanying drawings. 